consulate in benghazi, killing ambassador stevens, and three other americans. tonight, they are being remembered. we have team coverage. ken wayne says the pentagon is already taking action, but we begin at uc berkely and a candlelight vigil at stevens old fraternity. >> reporter: that vigil just wrapped up about a half hour ago. these students did not know stevens, but they were inspired by his life. tonight, they lit candles in his honor, and projected a photo of stevens on the side of the house, for a man people say had great dreams and a good heart. >> my name is chris stevens, and i'm the new u.s.ambassador to libya. >> reporter: this video shows him introducing himself last may. before stevens left the u.s., he spoke with steven browning. >> very earnest, and somewhat humbled by the task was about to undertake. i think he was very conscious of the enormity of the task. >> reporter: it was a dream come true for the bay area native. >> he was just a great, all around guy. one of those guys from school that just stood out. >> reporter: stevens graduated from